This is a market survey by the U.S. Coast Guard to research the domestic availability of Buy American Act-compliant Ductless-Split Heating and Air Conditioning Systems. The systems must be manufactured in the U.S., with over 65% of component costs also of U.S. origin, and fall into the categories of Mini-Split, Multi-Split, or VRF/VRV systems. Interested firms that manufacture or supply such domestic systems must respond with specific evidence of prior work and detailed product information. The required response deadline is March 11, 2026. No procurement or contract award will result directly from this announcement.